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Finding the Fourth Proportional to 375,656.94, 518,243.67 and 248,509.62

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Solution

The fourth proportional to 375,656.94, 518,243.67 and 248,509.62 is: 342,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,656.94 : 518,243.67 = 248,509.62 : x
  2. Step 2: Convert to fraction form
    375,656.94/518,243.67 = 248,509.62/x
  3. Step 3: Cross multiply
    375,656.94x = 518,243.67 × 248,509.62
  4. Step 4: Simplify right side
    375,656.94x = 128,788,537,499.11
  5. Step 5: Solve for x
    x = 128,788,537,499.11/375,656.94
  6. Step 6: Final answer
    x = 342,835.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.